Now showing items 21-40 of 74

    • Barrientos Briones, Genaro; Llanos Vidal, Paola; Hidalgo Tapia, Jorge; Bolaños, Pura; Caputo, Carlo; Riquelme, Alexander; Sánchez, Gina; Quest, Andrew F. G.; Hidalgo Tapia, María Cecilia (Frontiers Research Foundation, 2015)
      Cholesterol and caveolin are integral membrane components that modulate the function/location of many cellular proteins. Skeletal muscle fibers, which have unusually high cholesterol levels in transverse tubules, express ...
    • Ferreccio, Catterina; Huidobro, Andrea; Cortés, Sandra; Bambs, Claudia; Toro, Pablo; Van De Wyngard, Vanessa; Acevedo, Johanna; Paredes, Fabio; Venegas, Pía; Verdejo, Hugo; Oyarzún González, Ximena; Cook, Paz; Castro, Pablo F.; Foerster, Claudia; Vargas, Claudio; Koshiol, Jill; Araya, Juan Carlos; Cruz, Francisco; Corvalán, Alejandro H.; Quest, Andrew F.; Kogan, Marcelo J.; Lavandero González, Sergio (Oxford University Press, 2020)
    • Castro, Isabel; Aguilera, Sergio; Brockhausen, Inka; Alliende, Cecilia; Quest, Andrew F. G.; Molina, Claudio; Urzúa Tobar, Ulises; Mandel, Ulla; Bahamondes, Verónica; Barrera, María José; Sánchez, Marianela; González, Sergio; Hermoso Ramello, Marcela; Leyton Martínez, Cecilia; González Burgos, María Julieta (Oxford University Press, 2012)
      Objectives. To determine the expression and enzymatic activities of sulphotransferases involved in mucin hyposulphation in labial salivary glands (LSGs) from SS patients and to correlate sulphotransferase activity with ...
    • Costantino, Valeria; Lobos Gonzalez, Lorena; Ibáñez, Jorge; Fernández, Dario; Cuello Carrión, F.; Valenzuela Valderrama, Manuel; Barbieri, Manuel; Semino, Silvana; Jahn, Graciela; Quest, Andrew F. G.; López, Luis (Elsevier, 2016)
      Malignant melanoma represents the fastest growing public health risk of all cancer types worldwide. Several strategies and anti-cancer drugs have been used in an effort to improve treatments, but the development of ...
    • Cárdenas, César; Müller, Marioly; Jaimovich Pérez, Enrique; Pérez Bravo, Francisco; Buchuk, Diego; Quest, Andrew F. G.; Carrasco Friz, María Angélica (AMER SOC BIOCHEMISTRY MOLECULAR BIOLOGY INC, 2004-09-10)
      Membrane depolarization of skeletal muscle cells induces slow inositol trisphosphate-mediated calcium signals that regulate the activity of transcription factors such as the cAMP-response element-binding protein (CREB), ...
    • Cárdenas, César; Müller, Marioly; Jaimovich Pérez, Enrique; Pérez, Francisco; Buchuk, Diego; Quest, Andrew F. G.; Carrasco, Maria Angélica (2004)
      Membrane depolarization of skeletal muscle cells induces slow inositol trisphosphate-mediated calcium signals that regulate the activity of transcription factors such as the cAMP-response element-binding protein (CREB), ...
    • Hermosilla, Tamara; Muñoz, Daniel; Herrera Molina, Rodrigo; Valdivia, Alejandra; Muñoz, Nicolás; Nham, Sang-Uk; Schneider, Pascal; Burridge, Keith; Quest, Andrew F. G.; Leyton Campos, Lisette (ELSEVIER, 2008-06)
      Thy-1 is an abundant neuronal glycoprotein of poorly defined function. We recently provided evidence indicating that Thy-1 clusters a beta(3)-containing integrin in astrocytes to induce tyrosine phosphorylation, RhoA ...
    • Silva, Patricio; Soto, Nicolás; Díaz, Jorge; Mendoza, Pablo; Díaz, Natalia; Quest, Andrew F. G.; Torres Gómez, Vicente (Elsevier, 2015)
      The early endosomal protein Rab5 is highly expressed in tumor samples, although a causal relationship between Rab5 expression and cell transformation has not been established. Here, we report the functional effects of ...
    • Lobos González, Lorena; Aguilar, Lorena; Díaz Jara, Jorge; Díaz, Natalia; Urra, Hery; Torres Gómez, Vicente; Silva, Verónica; Fitzpatrick, Christopher; Lladser, Álvaro; Hoek, Keith S.; Leyton Campos, Lisette; Quest, Andrew F. G. (2013)
      Theroleofcaveolin-1(CAV1)incancerishighlycontroversial.CAV1suppressesgenesthatfavortumordevelopment, yet also promotes focal adhesion turnover and migration of metastatic cells. How these contrasting observations relate ...
    • Inostroza Riquelme, Mariela; Vivanco, Andrea; Lara, Pablo; Guerrero Rivera, Simón; Salas Huenuleo, Edison; Chamorro, Alejandro; Leyton Campos, Lisette; Bolaños, Karen; Araya Fuentes, Eyleen; Quest, Andrew F. G.; Kogan Bocian, Marcelo; Oyarzún Ampuero, Felipe (MDPI, 2018-05)
      Here we report the incorporation of gold nanostructures (nanospheres or nanorods, functionalized with carboxylate-end PEG) and curcumin oil-in-water (O/W) nanoemulsions (CurNem) into alginate microgels using the dripping ...
    • Bravo Sagua, Roberto; Gutiérrez, Tomás; Paredes, Felipe; Gatica, Damián; Rodríguez, Andrea E.; Pedrozo Cibils, Zully; Chiong Lay, Mario; Parra, Valentina; Quest, Andrew F. G.; Rothermel, Beverly A.; Lavandero González, Sergio (Elsevier, 2012)
      Endoplasmic reticulum (ER) stress activates an adaptive unfolded protein response (UPR) that facilitates cellular repair, however, under prolonged ER stress, the UPR can ultimately trigger apoptosis thereby terminating damaged ...
    • Díaz Valdivia, Natalia; Bravo, Denisse; Huerta, Hernán; Henríquez, Soledad; Gabler Neale, Fernando; Vega Blanco, María Margarita; Romero Osses, Carmen; Calderón, Claudia; Owen, Gareth I.; Leyton Campos, Lisette; Quest, Andrew F. G. (BioMed Central, 2015)
      Background: Caveolin-1 (CAV1) has been implicated both in tumor suppression and progression, whereby the specific role appears to be context dependent. Endometrial cancer is one of the most common malignancies of the female ...
    • Lara, Pablo; Chan, Alan B.; Cruz, Luis J.; Quest, Andrew F. G.; Kogan, Marcelo J. (MDPI, 2020)
      Extracellular vesicles (EVs) are important mediators of intercellular communication that participate in many physiological/pathological processes. As such, EVs have unique properties related to their origin, which can be ...
    • Ortiz, Rina; Díaz Jara, Jorge; Díaz, Natalia; Lobos González, Lorena; Cárdenas, Areli; Contreras, Pamela; Díaz, María Inés; Otte, Ellen; Cooper- White, Justin; Torres Gómez, Vicente; Leyton Campos, Lisette; Quest, Andrew F. G. (Impact Journals LLC, 2016)
      Caveolin-1 (CAV1) is a scaffolding protein that plays a dual role in cancer. In advanced stages of this disease, CAV1 expression in tumor cells is associated with enhanced metastatic potential, while, at earlier stages, ...
    • Aguirre, Adam; Shoji, Kenji F.; Sáez, Juan C.; Henríquez Luna, Mauricio; Quest, Andrew F. G. (Wiley Periodicals, Inc., 2013)
      Fas ligation via the ligand FasL activates the caspase-8/caspase-3-dependent extrinsic death pathway. In so-called type II cells, an additional mechanism involving tBid-mediated caspase-9 activation is required to efficiently ...
    • Guerrero, Ariel R.; Oyarzún Ampuero, Felipe; Hassan, Natalia; Corvalán, Alejandro; Quest, Andrew F. G.; Kogan Bocian, Marcelo (Bentham Science, 2016)
      In recent years, advances in nanotechnology have raised the specter of developing effective agents for the treatment of high-impact diseases, like gastric cancer, which remains one of the major causes of cancer deaths ...
    • Lara, Pablo; Palma Florez, Sujey; Salas Huenuleo, Edison; Polakovicova, Iva; Guerrero, Simón; Lobos González, Lorena; Campos, América; Muñoz, Luis; Jorquera Cordero, Carla; Varas Godoy, Manuel; Cancino, Jorge; Arias, Eloísa; Villegas, Jaime; Cruz, Luis J.; Albericio, Fernando; Araya, Eyleen; Corvalán, Alejandro H.; Quest, Andrew F. G.; Kogan Bocian, Marcelo (BMC, 2020)
      Background Extracellular vesicles (EVs) have shown great potential for targeted therapy, as they have a natural ability to pass through biological barriers and, depending on their origin, can preferentially accumulate at ...
    • Guerrero, Simón; Díaz García, Víctor; Contreras-Orellana, Pamela; Muñoz Lara, Pablo; Palma, Sujey; Guzmán, Fanny; Lobos González, Lorena; Cárdenas, Areli; Rojas Silva, Ximena; Muñoz, Luis; Leyton Campos, Lisette; Kogan Bocian, Marcelo; Quest, Andrew F. G. (Future Medicine, 2018-06)
      Aim: To track early events during lung metastasis, we labeled cells expressing (B16F10(CAV1)) or lacking CAV1 (B16F10(mock)) with gold nanoparticles conjugated to the peptide TAT (AuNPs-PEG-TAT). Methods: B16F10 expressing ...
    • Valenzuela, Manuel A.; Canales, Jimena; Corvalán, Alejandro H.; Quest, Andrew F. G. (Baishideng Publishing Group Inc., 2015)
      The sequence of events associated with the development of gastric cancer has been described as "the gastric precancerous cascade". This cascade is a dynamic process that includes lesions, such as atrophic gastritis, ...
    • Díaz, Paula; Valenzuela Valderrama, Manuel; Bravo, Jimena; Quest, Andrew F. G. (Frontiers Media SA, 2018)
      Helicobacter pylori (H. pylori) infection is the major risk factor associated with the development of gastric cancer. The transition from normal mucosa to non-atrophic gastritis, triggered primarily by H. pylori infection, ...